Salut,
Si tu veut formater de chez formater il y a "Darik's Boot and Nuke"
http://www.clubic.com/telecharger-fiche52820-darik-s-boot-and-nuke.htmlun tuto: http://www.pcinpact.com/forum/index.php?showtopic=94965
autre truc, http://www.informatruc.com/formatage_ntfs.php